Home / 50,779.60-70,075.36-29,261.44

Finding the Fourth Proportional to 50,779.60, 70,075.36 and 29,261.44

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Solution

The fourth proportional to 50,779.60, 70,075.36 and 29,261.44 is: 40,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.60 : 70,075.36 = 29,261.44 : x
  2. Step 2: Convert to fraction form
    50,779.60/70,075.36 = 29,261.44/x
  3. Step 3: Cross multiply
    50,779.60x = 70,075.36 × 29,261.44
  4. Step 4: Simplify right side
    50,779.60x = 2,050,505,693.78
  5. Step 5: Solve for x
    x = 2,050,505,693.78/50,779.60
  6. Step 6: Final answer
    x = 40,380.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.